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Improving predicted risk of recurrence using molecular profiling in papillary thyroid cancer
Journal article   Open access   Peer reviewed

Improving predicted risk of recurrence using molecular profiling in papillary thyroid cancer

Zhijie Li, Guillermo M Ng Yi, Victoria L Deters, Jeremy Chang, Andy Tran, Colin Kenny, Terry Braun, Ronald J Weigel and Anna C Beck
Scientific reports
05/06/2026
DOI: 10.1038/s41598-026-50784-9
PMID: 42091941
url
https://doi.org/10.1038/s41598-026-50784-9View
Published (Version of record) Open Access

Abstract

Molecular testing can refine the prediction of cancer recurrence. We sought to compare patterns of gene expression in patients with and without recurrence of well-differentiated thyroid cancer to identify pathways associated with recurrence and develop a predictive model based on gene expression. RNA was extracted and sequenced from archival tumor samples of patients well-differentiated thyroid cancer with (n = 8) and without (n = 8) recurrence, all of whom appear clinically at high risk for recurrence. A predictive model was developed using machine learning (ML) with the Thyroid Carcinoma TCGA PanCancer Atlas dataset and externally validated using archival samples. RNA-seq analysis from archival patient samples demonstrated gene expression patterns with striking sex-dependent differences. In tumors from female patients, the TNFα pathway was activated whereas tumors from males showed inhibition of TNFα and estradiol pathways, with findings externally validated through analysis of TCGA data. A prediction model based on TCGA data in female patients was developed that demonstrated an AUC of 0.88 in an external validation cohort for predicting recurrence, providing prognostic information that improves predictions beyond standard clinical parameters. Sex-dependent differences, specifically in TNFα and estrogen response pathways, in thyroid cancer recurrence have important implications for prognosis and treatment.
Machine Learning Recurrence TNFα Well-differentiated thyroid cancer Papillary thyroid carcinoma Predictive model

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